Means for securing wheels to shafts or axles.



' WITNESSES:

- PATENTED JULY 23, 19 07.

T. S. SCOTT. v MEANS FOR SEGURING WHEELS T0 SHAFTS 0R AXLES.

APPLIOATIOI FILED D30. 4 1905.

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10 ,3 g 6 ml 5 1 I, If 4 I UNITED STATES PATENT OFFICE.

THOMAS SCOTT, OF PITTSBURG, PENNSYLVANIA, ASSIGNOR TO WESTINGHOUSEELECTRIC & MANUFACTURING COMPANY, A CORPORATION OF PENNSYLVANIA.

-M'EANS FOB SECURING WHEELS TO SHAFTS OB AXLES.

To all whom it may concern: I

Be it known that I, THOMAS S. Soon, a citizen of the United States, anda resident of Pittsburg, in the county of Allegheny and State ofPennsylvania, have invented a new and useful Improvement in Means forSecuring Wheels to Shafts or Axles, of which the following is aspecification.

My invention relates to means for securing wheels or pulleys to axles orshafts and particularly to means for securing locomotive driving wheelsupon their axles, and it has for its object to provide a novel andimproved means of the character indicated.

Electric motors that are employed for the propulsion of vehicles arefrequently mounted upon quills that surround the driving axles and thatare flexibly connected to the driving wheels. Whenever it is desired toremove such motors from the axles, it becomes necessary to remove alsoone or both of the driving wheels; and in order to facilitate suchoperations, I have provided means whereby such driving wheels may bemore readily removed from and replaced upon the axles than hasheretofore been possible.

Figure l of the accompanying drawing is a view, in section, of a drivingwheel that is mounted upon an axle in accordance with my invention, andFig. 2 is a view of one of the parts whereby the driving wheel issecured in position upon the axle.

A shaft or axle 1, that may, as here illustrated, be the driving axle ofa locomotive or other vehicle, is provided with an enlarged portion 2upon which a wheel 3 is adapted to be pressed, a key 4 serving toprevent relative rotation between the wheel and the axle. The axle isfurther provided with a flange 5 at the inner end of the enlargedportion 2, with which one face of the wheel 3 engages, and with acircumferential recess 6 at the other end of the enlarged portion, inwhich is located a ring 7, to form a flange at the outer face of thewheel. In order to facilitate placing of the ring in the recess, it ispreferably formed in two parts, as illustrated in Fig. 2, though, whenpracticable, it may be split at a single point only and sprung intoposition, or it may be formed of any other desired number of parts. Theouter circumferential face of the ring is frustoconical in form and isengaged by the similarly shaped, though oppositely inclined, innercircumferential face of a ring 8 that is clamped to the outer face ofthe wheel by any suitable means, such as tap bolts 9, the ring 7 beingforced into the circumferential recess 6 by the wedging action exerteduponit by the ring 8. In practice, it will generally be found mostexpedient to pro- Specification of Letters Patent,

- Application filed December 4,1905. Serial No. 290,396.

Patented July 23, 1907.

vide an annular recess 10 in the outer face of the wheel adjacent to theaperture through which the shaft projects for the reception of the ring8, though it may be omitted, if desired.

It will be'readily understood that in assembling the structure the wheelis first pressed upon the axle until its inner face engages the flange3, then the ring ,6 is placed in position in the circumferential recess4 and the ring 8 is finally clamped to the outer face of the wheel, thering 6 being forced into position in the recess by the wedging action ofthe engaging.frusto-conical surfaces of the rings.

I claim as my invention:

1. The combination with a shaft or axle having a circumferential recess,of a wheel mounted thereon, a segmental ring located partially in theshaft or axle recess, and means to engage the external periphery of thering and force it into the recess.

2. The combination with a shaft or axle having a circumferential recess,of a wheel mounted thereon, a ring partially located in the shaft oraxle recess, and another ring so fastened to the wheel as to exertradial pressure against the periphery of the first named ring.

3. The combination with a shaft or axle having a circumferential recess,of a wheel mounted thereon, a ring having a frusto-conical exteriorsurface and located in the recess in the shaft or axle, and another ringsecured to the wheel and having a frusto-conlcal interior surface toengage the aforesaid ring and force it into the recess in the shaft.

4. The combination with a shaft or axle having a clrcumferential recess,of a wheel mounted thereon, a ring partially located in the recess inthe shaft or axle and means for exerting inward radial pressure upon thering to force it into the recess.

5. The combination with a. shaft or axle having a circumferentialrecess, of a wheel mounted thereon, a ring located partially in theshaft or axle recess but projecting radially against one side of thewheel, and means for forcing the ring radially inward.

6. The combination with a shaft or axle having a circumferential recess,of a wheel mounted thereon having an annular recess in one face adjacentto the shaft or axle, a ring located in the circumferential recess inthe shaft or axle, and another ring secured in the annular recess in thewheel and serving to retain the aforesaid ring in the circumferentialrecess.

7. The combination with a shaft or axle having a circumferential recess;of a wheel mounted thereon having an thereon with one race against theshoulder. nndprovided with an annular recess in the other face adjacentto the the shaft or axle betweenthe shoulder and the recess,

10 ring segments located partially in the shaft or axle recess,

and a ring so fastened to the wheel as to exert radial bressure againstthe ring segments to force them lnto'the recess in the shaft. r

In testimony whereof, I have hereunto subscribed my name this 22 day Qt-November, 1905.

.THOS. S. SCOTT.

Witnesses:

L. LOWBY, A. M. Rnsn.

